BRSTR
New product
Align the grooves and rotate the two halves in opposite directions.
To keep your mind working for hours on end.
A challenge only for the most daring.
Brainstring R The popular Brainstring has turned upside down! Brainstring 'R' is as knotty as the original, but has a movable ball with a 360 ° spin that will have you on the ropes. Recommended Age: +7 years Reinforce your: Logic, Strategy, Focus How to play
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